The top 15 garden diseases

The RHShas
analysed the enquiries it receives from gardeners last year to create a list
of the most troublesome garden diseases in 2012. Here they are.

1. Honey fungus

Honey fungus, the most destructive fungal disease in British gardens, topped
the list just as it did in 2011. The fungus spreads underground, attacking
the roots of perennial plants, and cannot be controlled by chemicals.